adding process priority

src/main.rs

@@ -66,7 +66,7 @@ fn main() -> Result<()> {
     let thread_id = thread_native_id();
     assert!(set_thread_priority(thread_id,
                                 ThreadPriority::Max,
-                                ThreadSchedulePolicy::Realtime(RealtimeThreadSchedulePolicy::RoundRobin)).is_ok());
+                                ThreadSchedulePolicy::Normal(NormalThreadSchedulePolicy::Normal)).is_ok());
 
     let address = "0.0.0.0:8000";
     println!("Initialize network");